{"product_id":"abb-tb850-3bsc950193r1-termination-unit","title":"ABB TB850 3BSC950193R1 Termination Unit","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB850\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3BSC950193R1\u003c\/strong\u003e) is a critical communication component designed for the CEX-Bus (Communication Expansion Bus) used in ABB AC 800M controller environments. This hardware terminator is required to maintain signal integrity by preventing electrical reflections at the end of the bus string. Engineered with a rugged 25-pin male interface and integrated screw fixings, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB850\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures a secure, vibration-resistant connection, stabilizing data exchange between the CPU and its associated communication expansion modules.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB850\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BSC950193R1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCEX-Bus Terminator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e25-pin DB25P (Male)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFixing Mechanism\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated screw-locking for industrial stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Requirement\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMandatory for the final physical unit on a CEX-Bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Architecture Compatibility\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB AC 800M \/ CEX-Bus modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHS Code\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e853690 (Electrical apparatus for connections)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustoms Tariff Number\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e85369095\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e55 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.04 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 m (Direct-connect plug)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Insights and Operational Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB850\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3BSC950193R1\u003c\/strong\u003e) is a passive yet essential element in the CEX-Bus physical layer. Without proper termination, the high-speed communication signals within the AC 800M system can suffer from \"signal bounce,\" leading to intermittent bus errors or complete communication failure between the controller and expansion interfaces. By installing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB850\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the last module in the sequence, the bus impedance is correctly matched. The DB25P male connector is specifically chosen for its high-density contact reliability, while the screw fixings prevent the terminator from loosening due to machine vibrations common in power plant or chemical factory control cabinets.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46572474990782,"sku":"TB850 3BSC950193R1","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/66ab588379f90119e530b82aa3edff64_fe60a5db-9aee-4654-8c8c-dab9b8d56221.png?v=1775631822","url":"https:\/\/www.autooiltech.com\/products\/abb-tb850-3bsc950193r1-termination-unit","provider":"AutoOilTech Limited","version":"1.0","type":"link"}